/*
 * Copyright (C) 2005-2011 MaNGOS <http://www.getmangos.com/>
 *
 * Copyright (C) 2008-2011 Trinity <http://www.trinitycore.org/>
 *
 * Copyright (C) 2010-2011 ProjectSkyfire <http://www.projectskyfire.org/>
 * 
 * Copyright (C) 2011 ArkCORE <http://www.arkania.net/>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#include <sys/types.h>
#include "VMapFactory.h"
#include "VMapManager2.h"

using namespace G3D;

namespace VMAP {
void chompAndTrim(std::string& str) {
	while (str.length() > 0) {
		char lc = str[str.length() - 1];
		if (lc == '\r' || lc == '\n' || lc == ' ' || lc == '"' || lc == '\'') {
			str = str.substr(0, str.length() - 1);
		} else {
			break;
		}
	}
	while (str.length() > 0) {
		char lc = str[0];
		if (lc == ' ' || lc == '"' || lc == '\'') {
			str = str.substr(1, str.length() - 1);
		} else {
			break;
		}
	}
}

IVMapManager *gVMapManager = 0;
Table<unsigned int, bool>* iIgnoreSpellIds = 0;

//===============================================
// result false, if no more id are found

bool getNextId(const std::string& pString, unsigned int& pStartPos,
		unsigned int& pId) {
	bool result = false;
	unsigned int i;
	for (i = pStartPos; i < pString.size(); ++i) {
		if (pString[i] == ',') {
			break;
		}
	}
	if (i > pStartPos) {
		std::string idString = pString.substr(pStartPos, i - pStartPos);
		pStartPos = i + 1;
		chompAndTrim(idString);
		pId = atoi(idString.c_str());
		result = true;
	}
	return (result);
}

//===============================================
/**
 parameter: String of map ids. Delimiter = ","
 */

void VMapFactory::preventSpellsFromBeingTestedForLoS(
		const char* pSpellIdString) {
	if (!iIgnoreSpellIds)
		iIgnoreSpellIds = new Table<unsigned int, bool>();
	if (pSpellIdString != NULL) {
		unsigned int pos = 0;
		unsigned int id;
		std::string confString(pSpellIdString);
		chompAndTrim(confString);
		while (getNextId(confString, pos, id)) {
			iIgnoreSpellIds->set(id, true);
		}
	}
}

//===============================================

bool VMapFactory::checkSpellForLoS(unsigned int pSpellId) {
	return (!iIgnoreSpellIds->containsKey(pSpellId));
}

//===============================================
// just return the instance
IVMapManager* VMapFactory::createOrGetVMapManager() {
	if (gVMapManager == 0)
		gVMapManager = new VMapManager2(); // should be taken from config ... Please change if you like :-)
	return gVMapManager;
}

//===============================================
// delete all internal data structures
void VMapFactory::clear() {
	delete iIgnoreSpellIds;
	iIgnoreSpellIds = NULL;

	delete gVMapManager;
	gVMapManager = NULL;
}
}
